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State-of-the-art 3D semantic segmentation models are trained on off-the-shelf public benchmarks, but they will inevitably face the challenge of recognition accuracy drop when these well-trained models are deployed to a new domain. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Ben Fei , Siyuan Huang , Jiakang Yuan , Botian Shi , Bo Zhang , Weidong Yang , Min Dou , Yikang Li

Since the introduction of modern deep learning methods for object pose estimation, test accuracy and efficiency has increased significantly. For training, however, large amounts of annotated training data are required for good performance.…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Frederik Hagelskjaer , Anders Glent Buch

Unsupervised domain adaptation studies the problem of utilizing a relevant source domain with abundant labels to build predictive modeling for an unannotated target domain. Recent work observe that the popular adversarial approach of…

Machine Learning · Statistics 2020-01-06 Shen Yan , Huan Song , Nanxiang Li , Lincan Zou , Liu Ren

The diversity of retinal imaging devices poses a significant challenge: domain shift, which leads to performance degradation when applying the deep learning models trained on one domain to new testing domains. In this paper, we propose a…

Image and Video Processing · Electrical Eng. & Systems 2021-10-07 Peng Liu , Charlie T. Tran , Bin Kong , Ruogu Fang

3D human pose lifting from a single RGB image is a challenging task in 3D vision. Existing methods typically establish a direct joint-to-joint mapping from 2D to 3D poses based on 2D features. This formulation suffers from two fundamental…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Jinghong Zheng , Changlong Jiang , Yang Xiao , Jiaqi Li , Haohong Kuang , Hang Xu , Ran Wang , Zhiguo Cao , Min Du , Joey Tianyi Zhou

Existing 2D-3D lifting human pose estimation methods have achieved strong performance. But the utilization of historical pose representations across network depth was overlooked. In current pipelines, information is propagated through fixed…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Zehua Wang , Changwang Mei , Huaijiang Sun , Pengqi Hu , Zhaoyang Yin

Gaze estimation methods encounter significant performance deterioration when being evaluated across different domains, because of the domain gap between the testing and training data. Existing methods try to solve this issue by reducing the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-23 Guanzhong Zeng , Jingjing Wang , Zefu Xu , Pengwei Yin , Wenqi Ren , Di Xie , Jiang Zhu

The robustness of gaze and head pose estimation models is highly dependent on the amount of labeled data. Recently, generative modeling has shown excellent results in generating photo-realistic images, which can alleviate the need for…

Computer Vision and Pattern Recognition · Computer Science 2022-09-21 Swati Jindal , Xin Eric Wang

3D human pose estimation has been a long-standing challenge in computer vision and graphics, where multi-view methods have significantly progressed but are limited by the tedious calibration processes. Existing multi-view methods are…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Boyuan Jiang , Lei Hu , Shihong Xia

Occlusions are a significant challenge to human pose estimation algorithms, often resulting in inaccurate and anatomically implausible poses. Although current occlusion-robust human pose estimation algorithms exhibit impressive performance…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Arindam Dutta , Sarosij Bose , Saketh Bachu , Calvin-Khang Ta , Konstantinos Karydis , Amit K. Roy-Chowdhury

Robots are expected to serve as intelligent assistants, helping humans with everyday household organization. A central challenge in this setting is the task of object placement, which requires reasoning about both semantic preferences…

Robotics · Computer Science 2025-10-28 Yao Zhong , Hanzhi Chen , Simon Schaefer , Anran Zhang , Stefan Leutenegger

Gait Recognition is a computer vision task aiming to identify people by their walking patterns. Although existing methods often show high performance on specific datasets, they lack the ability to generalize to unseen scenarios.…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Gavriel Habib , Noa Barzilay , Or Shimshi , Rami Ben-Ari , Nir Darshan

Determining the position and orientation of a calibrated camera from a single image with respect to a 3D model is an essential task for many applications. When 2D-3D correspondences can be obtained reliably, perspective-n-point solvers can…

Computer Vision and Pattern Recognition · Computer Science 2019-06-19 Dylan Campbell , Lars Petersson , Laurent Kneip , Hongdong Li , Stephen Gould

Deep learning has become the method of choice to tackle real-world problems in different domains, partly because of its ability to learn from data and achieve impressive performance on a wide range of applications. However, its success…

Computer Vision and Pattern Recognition · Computer Science 2022-08-17 Xiaofeng Liu , Chaehwa Yoo , Fangxu Xing , Hyejin Oh , Georges El Fakhri , Je-Won Kang , Jonghye Woo

Global visual localization estimates the absolute pose of a camera using a single image, in a previously mapped area. Obtaining the pose from a single image enables many robotics and augmented/virtual reality applications. Inspired by…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Mohammad Altillawi , Shile Li , Sai Manoj Prakhya , Ziyuan Liu , Joan Serrat

Estimating the 6-DoF pose of a camera from a single image relative to a pre-computed 3D point-set is an important task for many computer vision applications. Perspective-n-Point (PnP) solvers are routinely used for camera pose estimation,…

Computer Vision and Pattern Recognition · Computer Science 2017-09-28 Dylan Campbell , Lars Petersson , Laurent Kneip , Hongdong Li

The distribution shifts between training and test data typically undermine the performance of models. In recent years, lots of work pays attention to domain generalization (DG) where distribution shifts exist, and target data are unseen.…

Machine Learning · Computer Science 2024-01-05 Wang Lu , Jindong Wang , Yidong Wang , Xing Xie

This paper presents the first study on Unsupervised Domain Adaptation (UDA) for multimodal 3D panoptic segmentation (mm-3DPS), aiming to improve generalization under domain shifts commonly encountered in real-world autonomous driving. A…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Yining Pan , Shijie Li , Yuchen Wu , Xulei Yang , Na Zhao

Unlike images and natural language tokens, time series data is highly semantically sparse, resulting in labor-intensive label annotations. Unsupervised and Semi-supervised Domain Adaptation (UDA and SSDA) have demonstrated efficiency in…

Machine Learning · Computer Science 2024-10-10 Gang Tu , Dan Li , Bingxin Lin , Zibin Zheng , See-Kiong Ng

Geographic distribution shift arises when the distribution of locations on Earth in a training dataset is different from what is seen at inference time. Using standard empirical risk minimization (ERM) in this setting can lead to uneven…

Machine Learning · Computer Science 2026-02-10 Ruth Crasto , Esther Rolf